Systems and Methods Using a Wearable Sensor for Sports Action Recognition and Assessment

2. The system of claim 1, wherein the MCU comprises a processor-based transceiver apparatus configured for wireless communication with one or more processor-based systems of the motion sensor data processing platform and providing the movement data to the one or more processor-based systems while the athlete under observation is participating in the limb stroke sport.

3. The system of claim 1, wherein the real-time assessment of performance of the one or more sports actions by the athlete under observation provides categorization of the athlete under observation into a skill level category of three or more skill level categories with respect to other athletes of the limb stroke sport.

4. The system of claim 1, wherein the time domain, frequency domain, and heuristic domain features extracted by the feature extraction logic include mean values of acceleration for the 3 axes of acceleration, variance of acceleration for the 3 axes of acceleration, mean values of angular velocity for the 3 axes of angular rate, variance of angular velocity for the 3 axes of angular rate, maximum acceleration in x-axis, acceleration magnitude data for the 3 axes of acceleration, angular velocity magnitude data for the 3 axes of angular rate, root mean square (RMS) of acceleration for the 3 axes of acceleration.

5. The system of claim 1, wherein the classification logic includes a Neural Network (NN), Decision Trees, and Naive Bayes (NB) classifier.

6. The system of claim 1, wherein the logic of the motion sensor data processing platform is configured to analyze the movement data obtained from the single motion sensor of the WSD for the real-time assessment of performance of the one or more sports actions by the athlete under observation without aid of an image capture device.

7. The system of claim 1, wherein the WSD comprises an integrated radio transceiver baseband processor module, the MEMS based inertial sensor, an on and off switch, and a coin cell battery, wherein the integrated radio transceiver baseband processor module comprises a radio transceiver and the MCU, and wherein the MEMS based inertial sensor comprises a 16 g motion sensor.

8. The system of claim 1, wherein the filtering applied to the movement data applies a 3-point filter moving average to filter out sensor noise.

9. The system of claim 8, wherein the filtering applied to the movement data comprises a low-pass filter, a K-points filter, and encoding Fourier transform.